NOx

Cutting Through the Smog

New research highlights the importance of reducing ozone pollution and suggests ways to do it.

As a change of pace, here’s a post that’s not about Trump, Pruitt, or their friends in Congress.  Two recent papers highlight the importance of EPA’s tightening of the air quality standard for ozone and suggest some ways of doing so that could be more acceptable to industry. (We’re talking about ground-level smog here, not …

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Don’t Knock EPA’s Knack for NAAQS

On Tuesday, the D.C. Circuit decided American Petroleum Institute (API) v. EPA, an interesting case dealing with nitrogen oxide (NO2) levels.  The standard is supposed to include a margin of safety.Under the Clean Air Act, EPA sets National Ambient Air Quality Standards (NAAQS) for airborne substances that endanger human health or welfare.  EPA set such …

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California Supreme Court decides in favor of accurate environmental impact analysis (and cleaner air)

The California Supreme Court just issued an important decision interpreting public agencies’ obligations under the California Environmental Quality Act.  This case will result in cleaner air in southern California.  It also establishes that public agencies must measure environmental impacts from a new project against actual existing conditions, rather than against theoretical conditions (based on permits …

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